What was found
ON SHORT FINAL AFTER LANDING, GEAR EXTENSION, NOSE GEAR UNSAFE LIGHT (RED) ILLUMINATED ON PILOTS FRONT PANEL. ELECTED TO GO AROUND AND ACCOMPLISHED ABNORMAL PROCEDURE. RETURNED TO LANDING. NO COMPLICATIONS. SECOND OFFICERS GEAR LIGHTS OPERATE NORMALLY. REPLACED NLG SWITCH 40GB (P/N 141FL01D3) AND NLG RT TELESCOPIC DRAG STRUT ROCKER ARM PER MM 32-31-24. OPS CKS GOOD.